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X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: OTVJwuHnMn2SL4sQxek6Ym4rTF68wSwKKWyl3FzwmLUvp1SvbaFDTPr8oSc0tk4GYX9HpPC5LhLCjFcTDg8Gng== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS0PR11MB7458 X-OriginatorOrg: intel.com Hello, kernel test robot noticed "blktests.nvme/040.fail" on: commit: a228828b6a29e3787c2d4f30b966b4e723436491 ("[PATCH v9 8/8] blk-mq-debugfs: warn about possible deadlock") url: https://github.com/intel-lab-lkp/linux/commits/Yu-Kuai/blk-wbt-factor-out-a-helper-wbt_set_lat/20260202-161435 base: https://git.kernel.org/cgit/linux/kernel/git/axboe/linux.git for-next patch link: https://lore.kernel.org/all/20260202080523.3947504-9-yukuai@fnnas.com/ patch subject: [PATCH v9 8/8] blk-mq-debugfs: warn about possible deadlock in testcase: blktests version: blktests-x86_64-5885dee-1_20260203 with following parameters: disk: 1SSD test: nvme-040 nvme_trtype: rdma use_siw: true config: x86_64-rhel-9.4-func compiler: gcc-14 test machine: 224 threads 2 sockets Intel(R) Xeon(R) Platinum 8480+ (Sapphire Rapids) with 256G memory (please refer to attached dmesg/kmsg for entire log/backtrace) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-lkp/202602061756.96736e8f-lkp@intel.com 2026-02-04 16:08:35 cd /lkp/benchmarks/blktests 2026-02-04 16:08:35 mkdir -p /mnt/nvme-040 2026-02-04 16:08:35 mount /dev/nvme0n1p1 /mnt/nvme-040 2026-02-04 16:08:35 echo nvme/040 2026-02-04 16:08:35 ./check -o /mnt/nvme-040 nvme/040 nvme/040 (tr=rdma) (test nvme fabrics controller reset/disconnect operation during I/O) runtime 8.568s ... nvme/040 (tr=rdma) (test nvme fabrics controller reset/disconnect operation during I/O) [failed] runtime 8.568s ... 8.988s something found in dmesg: [ 161.504240] [ T3651] run blktests nvme/040 at 2026-02-04 16:08:36 [ 161.567237] [ T4057] loop0: detected capacity change from 0 to 2097152 [ 161.581589] [ T4062] nvmet: adding nsid 1 to subsystem blktests-subsystem-1 [ 161.598986] [ T4067] iwpm_register_pid: Unable to send a nlmsg (client = 2) [ 161.608814] [ T4067] nvmet_rdma: enabling port 0 (192.168.3.121:4420) [ 161.658405] [ T1863] nvmet: Created nvm controller 1 for subsystem blktests-subsystem-1 for NQN nqn.2014-08.org.nvmexpress:uuid:0f01fb42-9f7f-4856-b0b3-51e60b8de349. [ 161.686065] [ T4074] nvme nvme2: creating 128 I/O queues. [ 162.191928] [ T4074] nvme nvme2: mapped 128/0/0 default/read/poll queues. [ 162.263779] [ T4074] nvme nvme2: new ctrl: NQN "blktests-subsystem-1", addr 192.168.3.121:4420, hostnqn: nqn.2014-08.org.nvmexpress:uuid:0f01fb42-9f7f-4856-b0b3-51e60b8de349 [ 162.358452] [ T4108] block nvme0n1: No UUID available providing old NGUID ... (See '/mnt/nvme-040/nodev_tr_rdma/nvme/040.dmesg' for the entire message) The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20260206/202602061756.96736e8f-lkp@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki